<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
    <link rel="stylesheet" href="plugins/ztree/css/zTreeStyle/zTreeStyle.css" type="text/css">
    <script type="text/javascript" src="plugins/ztree/js/jquery-1.4.4.min.js"></script>
    <script type="text/javascript" src="plugins/ztree/js/jquery.ztree.core-3.5.js"></script>
    <script type="text/javascript" src="plugins/ztree/js/jquery.ztree.excheck-3.5.js"></script>
</head>
<body>

    <script>
        //1.ztree的设置
        var setting = {
            check: {
                enable: true
            },
            data: {
                simpleData: {
                    enable: true
                }
            }
        };
        //2.ztree的数据
        var zNodes =[
            { id:11, pId:1, name:"随意勾选 1-1"},
            { id:111, pId:11, name:"随意勾选 1-1-1"},
            { id:112, pId:11, name:"随意勾选 1-1-2"},
            { id:12, pId:1, name:"随意勾选 1-2"},
            { id:121, pId:12, name:"随意勾选 1-2-1"},
            { id:122, pId:12, name:"随意勾选 1-2-2"},
            { id:2, pId:0, name:"随意勾选 2"},
            { id:21, pId:2, name:"随意勾选 2-1"},
            { id:22, pId:2, name:"随意勾选 2-2"},
            { id:221, pId:22, name:"随意勾选 2-2-1"},
            { id:222, pId:22, name:"随意勾选 2-2-2"},
            { id:23, pId:2, name:"随意勾选 2-3" ,checked:true},
            { id:1, pId:0, name:"随意勾选 1"}
        ];
        //3.页面初始化的时候，加载ztree树
        var zTreeObj;
        $(document).ready(function(){
            //init方法，初始化ztree树
            zTreeObj = $.fn.zTree.init($("#treeDemo"), setting, zNodes);  //1.dom域，2、ztree的设置，3、数据
            //可以调用zTreeObj对象的方法
            zTreeObj.expandAll(true); //true:全部展开，false：折叠
        });


        /**
         * 调用Ztree的API获取到选中节点的数据
         */
        function getNodesId() {
            //获取所有被勾选节点的集合
            var nodes = zTreeObj.getCheckedNodes(true); //true:被勾选数据，false：未被勾选的
            for(var i=0;i<nodes.length;i++) {
                var node = nodes[i];
                console.log(node.id);
            }
        }
    </script>

    <div>
        <ul id="treeDemo" class="ztree"></ul>
        <button onclick="getNodesId()">保存</button>
    </div>
</body>
</html>
